E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/01 (2006.01) E21B 17/20 (2006.01) E21B 33/122 (2006.01) E21B 47/12 (2006.01) H01B 7/16 (2006.01)
Patent
CA 2356203
A system for protecting the transmission of signals from and/or to a tool in a high pressure environment.
Johnson Michael R.
Kosmala Alexandre G.e.
Malone David L.
Rayssiguier Christophe M.
Varkey Joseph P.
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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